COLUMBUS, Ohio - Ohio Attorney General Dave Yost is suing the United States Gypsum Co. for nearly $17 million, accusing it of failing to maintain underground mines and causing dangerous sink holes ...

OTTAWA COUNTY, Ohio — Ohio Attorney General Dave Yost announced Tuesday that he's suing a gypsum mining company for nearly $17 million for "failure to maintain" underground mines that led to ...

Add Yahoo as a preferred source to see more of our stories on Google. A spring 2020 view of a sinkhole in Black Hawk that opened near homes built atop a former gypsum mine. (Courtesy of Dan Austin) A ...

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